Moon Jae in regrets this.
On June 20th, Yonhap News Agency reported that South Cheongwadae's spokesman Park Soo-hyun said at a press conference that Moon Jae in regretted the sudden death of Warmbier and expressed deep condolences to his family.
Moon Jae in pointed out that there are still Korean and American citizens detained by North Korea, and the two governments will make efforts to get them back to China as soon as possible.
It is reported that Warmbier was arrested on suspicion of trying to steal a poster in a hotel while traveling in North Korea on June 20 16, and was sentenced to 15 reeducation through labor. After US-DPRK negotiations, the DPRK finally released Warmbier, who had been detained for 17 months. However, Warmbier was still in a coma after returning to the United States, and died on 19, local time in the United States.